2021年有没有什么适合Linux的笔记本？ 第1页

       https://www.realtek.com/en/component/zoo/category/rtl8812bu-software https://rtitwww.realtek.com/rtdrivers/cn/wlan/0002-Realtek_WindowsDriver_1030.25.0701.2017.zip ID 0bda:b812 Realtek Semiconductor Corp. RTL88x2bu  USB3.0 only, rtl8822BU chipset https://www.realtek.com/en/component/zoo/category/rtl8812bu-software https://www.fastoe.com/blog/install-rtl8812bu-usb-wifi-dongle-on-linux https://forums.developer.nvidia.com/t/rtl88x2bu-wifi-usb-adapter-0bda-b812/106920  0bda:b812 0bda:c820    rtl8821cu WiFi Bluetooth USB 0bda:c820   Bus 001 Device 007:  ID 0bda:c820 Realtek Semiconductor Corp. 802.11ac NIC   The device is supported by the following drivers:  lwfinger/rtl8723au_bt  不能用，NG https://github.com/lwfinger/rtl8723au_bt  brektrou/rtl8821CU   不能用，NG https://github.com/brektrou/rtl8821CU  smp79/rtl8821CU   不能用，NG https://github.com/smp79/rtl8821CU  whitebatman2/rtl8821CU   不能用，NG https://github.com/whitebatman2/rtl8821CU  不能用，NG https://github.com/axiomware/RTL8821CU_driver_v5.8.1  *** 备注： 能用的在本文的最下面     

       [root@hpi7 drivers]#   [root@hpi7 drivers]# git clone https://github.com/cilynx/rtl88x2bu.git Cloning into 'rtl88x2bu'... remote: Enumerating objects: 1871, done. remote: Counting objects: 100% (138/138), done. remote: Compressing objects: 100% (94/94), done. remote: Total 1871 (delta 73), reused 96 (delta 42), pack-reused 1733 Receiving objects: 100% (1871/1871), 5.52 MiB | 9.32 MiB/s, done. Resolving deltas: 100% (1188/1188), done.  [root@hpi7 drivers]# ls rtl8812au  rtl88x2bu  [root@hpi7 drivers]# cd rtl88 rtl8812au/ rtl88x2bu/  [root@hpi7 drivers]# cd rtl88x2bu/  [root@hpi7 rtl88x2bu]# ls build.sh  clean  core  dkms.conf  hal  halmac.mk  ifcfg-wlan0  include  Kconfig  LICENSE  Makefile  os_dep  platform  README.md  rtl8822b.mk  runwpa  wlan0dhcp  [root@hpi7 rtl88x2bu]# VER=$(sed -n 's/PACKAGE_VERSION="(.*)"/1/p' dkms.conf) [root@hpi7 rtl88x2bu]# rsync -rvhP ./ /usr/src/rtl88x2bu-${VER} sending incremental file list created directory /usr/src/rtl88x2bu-5.6.1 ./ .gitignore             422 100%    0.00kB/s    0:00:00 (xfr#1, to-chk=704/706) Kconfig .git/objects/pack/ .git/objects/pack/pack-7aa47d04dd1f39cbe2b6535eb11079acc822b61a.idx          53.46K 100%    3.19MB/s    0:00:00 (xfr#36, to-chk=651/706)  ......  platform/platform_sprd_sdio.c           2.05K 100%   10.00kB/s    0:00:00 (xfr#660, to-chk=2/706) platform/platform_zte_zx296716_sdio.c           1.46K 100%    7.14kB/s    0:00:00 (xfr#661, to-chk=1/706) platform/platform_zte_zx296716_sdio.h             989 100%    4.83kB/s    0:00:00 (xfr#662, to-chk=0/706)  sent 32.60M bytes  received 12.92K bytes  21.74M bytes/sec total size is 32.54M  speedup is 1.00   [root@hpi7 rtl88x2bu]#   [root@hpi7 rtl88x2bu]# dkms add -m rtl88x2bu -v ${VER}  Creating symlink /var/lib/dkms/rtl88x2bu/5.6.1/source ->                  /usr/src/rtl88x2bu-5.6.1  DKMS: add completed.  [root@hpi7 rtl88x2bu]#  [root@hpi7 rtl88x2bu]# dkms build -m rtl88x2bu -v ${VER}  Kernel preparation unnecessary for this kernel.  Skipping...  Building module: cleaning build area... make -j8 KERNELRELEASE=5.12.15-300.fc34.x86_64 KVER=5.12.15-300.fc34.x86_64 src=/usr/src/rtl88x2bu-5.6.1.......(bad exit status: 2) Error! Bad return status for module build on kernel: 5.12.15-300.fc34.x86_64 (x86_64) Consult /var/lib/dkms/rtl88x2bu/5.6.1/build/make.log for more information.  F*** ！     [root@hpi7 rtl88x2bu]# ls build.sh  clean  core  dkms.conf  hal  halmac.mk  ifcfg-wlan0  include  Kconfig  LICENSE  Makefile  os_dep  platform  README.md  rtl8822b.mk  runwpa  wlan0dhcp  [root@hpi7 rtl88x2bu]# chmod +x ./build.sh [root@hpi7 rtl88x2bu]# ./build.sh   Kernel preparation unnecessary for this kernel.  Skipping...  Building module: cleaning build area... make -j8 KERNELRELEASE=5.12.15-300.fc34.x86_64 KVER=5.12.15-300.fc34.x86_64 src=/usr/src/rtl88x2bu-5.6.1.......(bad exit status: 2) Error! Bad return status for module build on kernel: 5.12.15-300.fc34.x86_64 (x86_64) Consult /var/lib/dkms/rtl88x2bu/5.6.1/build/make.log for more information.   [root@hpi7 rtl88x2bu]# make all make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.12.15-300.fc34.x86_64/build M=/root/drivers/rtl88x2bu  modules make[1]: Entering directory '/usr/src/kernels/5.12.15-300.fc34.x86_64'   CC [M]  /root/drivers/rtl88x2bu/core/rtw_cmd.o                     ^~~~~~~~ /root/drivers/rtl88x2bu/os_dep/linux/recv_linux.c:358:76: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [scripts/Makefile.build:271: /root/drivers/rtl88x2bu/os_dep/linux/recv_linux.o] Error 1 make[1]: *** [Makefile:1860: /root/drivers/rtl88x2bu] Error 2 make[1]: Leaving directory '/usr/src/kernels/5.12.15-300.fc34.x86_64' make: *** [Makefile:2284: modules] Error 2  F*** ！  [root@hpi7 rtl88x2bu]#   [root@hpi7 rtl88x2bu]# make uninstall rm -f /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless//88x2bu.ko /sbin/depmod -a 5.12.15-300.fc34.x86_64     

       NG NG NG NG NG  https://github.com/ulli-kroll/rtw88-usb   https://github.com/astsam/rtl8812au RTL8812AU/21AU and RTL8814AU linux driver with monitor mode and frame injection The master branch is based on  https://github.com/ulli-kroll/rtl8821au branch v4.3.22-beta/rework.  https://github.com/ulli-kroll/rtw88-usb  git clone https://github.com/aircrack-ng/rtl8812au     

       [root@hpi7 drivers]# cd rtl8812au/ [root@hpi7 rtl8812au]# ls android  core  dkms.conf  docs  hal  include  Kconfig  LICENSE  Makefile  os_dep  platform  README.md  ReleaseNotes.pdf  tools  [root@hpi7 rtl8812au]#   [root@hpi7 rtl8812au]# make all make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.12.15-300.fc34.x86_64/build M=/root/drivers/rtl8812au  modules make[1]: Entering directory '/usr/src/kernels/5.12.15-300.fc34.x86_64'   CC [M]  /root/drivers/rtl8812au/core/rtw_cmd.o   CC [M]  /root/drivers/rtl8812au/core/rtw_security.o ......   CC [M]  /root/drivers/rtl8812au/core/rtw_mp.o   LD [M]  /root/drivers/rtl8812au/88XXau.o   MODPOST /root/drivers/rtl8812au/Module.symvers   CC [M]  /root/drivers/rtl8812au/88XXau.mod.o   LD [M]  /root/drivers/rtl8812au/88XXau.ko   BTF [M] /root/drivers/rtl8812au/88XXau.ko Skipping BTF generation for /root/drivers/rtl8812au/88XXau.ko due to unavailability of vmlinux make[1]: Leaving directory '/usr/src/kernels/5.12.15-300.fc34.x86_64' --------------------------------------------------------------------------- Visit https://github.com/aircrack-ng/rtl8812au for support/reporting issues or check for newer versions (branches) of these drivers.                    --------------------------------------------------------------------------- [root@hpi7 rtl8812au]#   [root@hpi7 rtl8812au]# make install install -p -m 644 88XXau.ko  /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/ /sbin/depmod -a 5.12.15-300.fc34.x86_64  [root@hpi7 rtl8812au]#     

       [root@hpi7 rtl8812au]# modprobe 88XXau  -v  insmod /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/88XXau.ko   modprobe: ERROR: could not insert '88XXau': Key was rejected by service   签了名， 还是不认网卡。 型号错了就是死局     

       [root@hpi7 ~]#  [root@hpi7 ~]# lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 0bda:0153 Realtek Semiconductor Corp. 3-in-1 (SD/SDHC/SDXC) Card Reader Bus 001 Device 009: ID 0bda:c820 Realtek Semiconductor Corp. 802.11ac NIC  [root@hpi7 ~]#  [root@hpi7 ~]# usb_modeswitch -KW -v 0bda -p c820 Take all parameters from the command line    * usb_modeswitch: handle USB devices with multiple modes  * Version 2.6.1 (C) Josua Dietze 2017  * Based on libusb1/libusbx   ! PLEASE REPORT NEW CONFIGURATIONS !  DefaultVendor=  0x0bda DefaultProduct= 0xc820  StandardEject=1  Look for default devices ...   found USB ID 0bda:0153    vendor ID matched   found USB ID 0bda:c820    vendor ID matched    product ID matched   Found devices in default mode (1) Access device 009 on bus 001 Get the current device configuration ... Current configuration number is 1 Use interface number 0  with class 224 Error: can't use storage command in MessageContent with interface 0; interface class is 224, expected 8. Abort  F***     [root@hpi7 ~]# usb_modeswitch -KW -v 0bda -p 0153 Take all parameters from the command line    * usb_modeswitch: handle USB devices with multiple modes  * Version 2.6.1 (C) Josua Dietze 2017  * Based on libusb1/libusbx   ! PLEASE REPORT NEW CONFIGURATIONS !  DefaultVendor=  0x0bda DefaultProduct= 0x0153  StandardEject=1  Look for default devices ...   found USB ID 0bda:0153    vendor ID matched    product ID matched    found USB ID 0bda:c820    vendor ID matched   Found devices in default mode (1) Access device 005 on bus 001 Get the current device configuration ... Current configuration number is 1 Use interface number 0  with class 8 Use endpoints 0x01 (out) and 0x82 (in)  USB description data (for identification) ------------------------- Manufacturer: Generic      Product: USB2.0-CRW   Serial No.: 2012000 ------------------------- Sending standard EJECT sequence Looking for active drivers ...  OK, driver detached Set up interface 0 Use endpoint 0x01 for message sending ... Trying to send message 1 to endpoint 0x01 ...  OK, message successfully sent Read the response to message 1 (CSW) ...  Response successfully read (13 bytes), status 0 Trying to send message 2 to endpoint 0x01 ...  OK, message successfully sent Read the response to message 2 (CSW) ...  Response successfully read (13 bytes), status 0 Trying to send message 3 to endpoint 0x01 ...  OK, message successfully sent Read the response to message 3 (CSW) ...  Response successfully read (13 bytes), status 0 Trying to send message 4 to endpoint 0x01 ...  OK, message successfully sent Read the response to message 4 (CSW) ...  Response successfully read (13 bytes), status 0 Reset response endpoint 0x82 Reset message endpoint 0x01  -> Run lsusb to note any changes. Bye!     

       https://github.com/ulli-kroll/rtw88-usb  rtw88-usb    mac80211 kernel driver  currently supported chipset's 8723du 8822bu with variants 8821cu 8822cu  It's under GPL license, and please feel free to use it. Also welcome to upstream to the Linux kernel if you want, and please refer to the branch, for_kernel_upstream, which meets the Linux coding style, and may be easier to upstream. Thank to many people's kind help on this project.  BIG tanks to Ji-Pin Jou and Neo Jou, for the USB parts supports at least managed (i.e. client) and monitor mode.  This driver is based on Realtek's rtw88 in Linux main trunk.     

       [root@hpi7 drivers]# git clone https://github.com/ulli-kroll/rtw88-usb.git Cloning into 'rtw88-usb'... remote: Enumerating objects: 3149, done. remote: Counting objects: 100% (1177/1177), done. remote: Compressing objects: 100% (493/493), done. remote: Total 3149 (delta 967), reused 869 (delta 684), pack-reused 1972 Receiving objects: 100% (3149/3149), 2.24 MiB | 5.37 MiB/s, done. Resolving deltas: 100% (2412/2412), done. [root@hpi7 drivers]#     [root@hpi7 drivers]#  [root@hpi7 drivers]# cd rtw88-usb/ [root@hpi7 rtw88-usb]# ls bf.c                debug.c  fw.h        mac.c     pci.h    README.md   rtw8723de.c       rtw8723du.h       rtw8821c_table.h  rtw8822b_fw.bin   rtw8822c.c        rtw8822cu.c  tx.c    wow.c bf.h                debug.h  hci.h       mac.h     perf.sh  README.old  rtw8723de.h       rtw8821c.c        rtw8821cu.c       rtw8822b.h        rtw8822ce.c       rtw8822cu.h  tx.h    wow.h CHANGELOG.md        efuse.c  Kconfig     main.c    phy.c    regd.c      rtw8723d.h        rtw8821ce.c       rtw8821cu.h       rtw8822b_table.c  rtw8822ce.h       rx.c         usb.c CODE_OF_CONDUCT.md  efuse.h  LICENSE     main.h    phy.h    regd.h      rtw8723d_table.c  rtw8821ce.h       rtw8822b.c        rtw8822b_table.h  rtw8822c.h        rx.h         usb.h coex.c              fw       log         Makefile  ps.c     reg.h       rtw8723d_table.h  rtw8821c.h        rtw8822be.c       rtw8822bu.c       rtw8822c_table.c  sec.c        util.c coex.h              fw.c     mac80211.c  pci.c     ps.h     rtw8723d.c  rtw8723du.c       rtw8821c_table.c  rtw8822be.h       rtw8822bu.h       rtw8822c_table.h  sec.h        util.h   [root@hpi7 rtw88-usb]#  [root@hpi7 rtw88-usb]# make clean rm -f *.o .*.d *.a *.ko .*.cmd *.mod* *.order *.symvers *.tmp_versions  [root@hpi7 rtw88-usb]#   [root@hpi7 rtw88-usb]# make all make -C /lib/modules/5.12.15-300.fc34.x86_64/build M=/root/drivers/rtw88-usb make[1]: Entering directory '/usr/src/kernels/5.12.15-300.fc34.x86_64'   CC [M]  /root/drivers/rtw88-usb/main.o   CC [M]  /root/drivers/rtw88-usb/mac80211.o  ......    BTF [M] /root/drivers/rtw88-usb/rtw88_core.ko Skipping BTF generation for /root/drivers/rtw88-usb/rtw88_core.ko due to unavailability of vmlinux   CC [M]  /root/drivers/rtw88-usb/rtw88_pci.mod.o   LD [M]  /root/drivers/rtw88-usb/rtw88_pci.ko   BTF [M] /root/drivers/rtw88-usb/rtw88_pci.ko Skipping BTF generation for /root/drivers/rtw88-usb/rtw88_pci.ko due to unavailability of vmlinux   CC [M]  /root/drivers/rtw88-usb/rtw88_usb.mod.o   LD [M]  /root/drivers/rtw88-usb/rtw88_usb.ko   BTF [M] /root/drivers/rtw88-usb/rtw88_usb.ko Skipping BTF generation for /root/drivers/rtw88-usb/rtw88_usb.ko due to unavailability of vmlinux make[1]: Leaving directory '/usr/src/kernels/5.12.15-300.fc34.x86_64'  [root@hpi7 rtw88-usb]#  [root@hpi7 rtw88-usb]# make load echo "Unload upstream driver(s)" Unload upstream driver(s) for m in rtw88_8723de rtw88_8723d rtw88_8822be rtw88_8822b   rtw88_8821ce rtw88_8821c rtw88_8822ce rtw88_8821c   rtw88_pci rtw88_core;   do rmmod "$m" 2> /dev/null; done; make: *** [Makefile:116: load] Error 1   [root@hpi7 rtw88-usb]#  [root@hpi7 rtw88-usb]# make install WARNING: ========================================== you are about to install rtw88-usb drivers Wait 5 sec or CTRL-C  rtw88-usb drivers installed   [root@hpi7 rtw88-usb]#  [root@hpi7 rtw88-usb]# make firmware WARNING: ========================================== you are about to install rtw88-usb firmware Wait 5 sec or CTRL-C  rtw88-usb firmware installed   [root@hpi7 rtw88-usb]#     

       [root@hpi7 signed-modules]# ls /usr/src/kernels/$(uname -r)/scripts/sign-file /usr/src/kernels/5.12.15-300.fc34.x86_64/scripts/sign-file  [root@hpi7 signed-modules]# vi sign-rtw88-usb [root@hpi7 signed-modules]#   [root@hpi7 signed-modules]# cat ./sign-rtw88-usb   #!/bin/bash  for modfile in $(dirname $(modinfo -n rtw88-usb))/*.ko; do   echo "Signing $modfile"   /usr/src/kernels/$(uname -r)/scripts/sign-file sha256                                  /root/signed-modules/MOK.priv                                  /root/signed-modules/MOK.der "$modfile" done  [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# ls MOK.der  MOK.priv  sign-rtw88-usb    [root@hpi7 signed-modules]# chmod +x ./sign-rtw88-usb  [root@hpi7 signed-modules]# ls MOK.der  MOK.priv  sign-rtw88-usb    [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# ./sign-rtw88-usb  Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8723de.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8723d.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8723du.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8821ce.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8821c.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8821cu.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822be.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822b.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822bu.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822ce.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822c.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8822cu.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_core.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_pci.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/realtek/rtw88/rtw88_usb.ko   [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# modprobe rtw88-usb  [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# lsmod |grep 88 rtw88_usb              20480  0 rtw88_core            163840  1 rtw88_usb mac80211             1134592  3 iwlmvm,rtw88_core,rtw88_usb cfg80211             1003520  4 iwlmvm,rtw88_core,iwlwifi,mac80211   还是认不了网卡，NG 还是认不了网卡，NG     

       https://ask.fedoraproject.org/t/how-to-include-the-rtl8821-driver-in-the-firmware/7103/13  https://github.com/tomaspinho/rtl8821ce Realtek RTL8821CE Driver This repository hosts the code for the Arch Linux AUR Package.  It's targeting Linux > 4.14 and is being developed for Arch Linux and  Ubuntu 18.10. No support will be provided for other Linux distributions  or Linux Kernel versions outside of that range.     

       同样不能用，NG  https://github.com/axiomware/RTL8821CU_driver_v5.8.1   RTL8811CU and RTL8821CU driver  The Realtek RTL8811CU-CG is a highly integrated single-chip that supports 1-stream 802.11ac solutions with Multi-user MIMO (Multiple-Input, Multiple-Output) and Wireless LAN (WLAN) USB interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip. The RTL8811CU-CG provides an outstanding solution for a high-performance integrated wireless device.:  USB high speed interface 802.11ac/abgn, 802.11ac 2.4 GHz Support 5.8 GHz Support Supports concurrent mode (operates as two virtual WLAN interfaces) MIMO config - 1x1 MU-MIMO AC wave2 256 QAM  过程略......     

       事后发现， 这是唯一能用，   https://github.com/morrownr/8821cu  还是这个 好用     

       [wenxue@hpi7 ~]$ cd rtl8821cu581/  [wenxue@hpi7 rtl8821cu581]$ ls RTL8821CU_driver_v5.8.1  [wenxue@hpi7 rtl8821cu581]$ rm *.* -rf [wenxue@hpi7 rtl8821cu581]$ ls  [wenxue@hpi7 rtl8821cu581]$ git clone https://github.com/morrownr/8821cu.git Cloning into '8821cu'... remote: Enumerating objects: 1311, done. remote: Counting objects: 100% (187/187), done. remote: Compressing objects: 100% (132/132), done. remote: Total 1311 (delta 109), reused 119 (delta 55), pack-reused 1124 Receiving objects: 100% (1311/1311), 4.60 MiB | 8.06 MiB/s, done. Resolving deltas: 100% (663/663), done. [wenxue@hpi7 rtl8821cu581]$ ls 8821cu [wenxue@hpi7 rtl8821cu581]$ cd 8821cu/ [wenxue@hpi7 8821cu]$ ls 8821cu.conf  dkms.conf        hal        include            Kconfig  Makefile  platform    raspi64.sh  remove-driver.sh  save-log.sh core         edit-options.sh  halmac.mk  install-driver.sh  LICENSE  os_dep    raspi32.sh  README.md   rtl8821c.mk       supported-device-IDs  [wenxue@hpi7 8821cu]$ sudo make all [sudo] password for wenxue:  make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.12.15-300.fc34.x86_64/build M=/home/wenxue/rtl8821cu581/8821cu  modules make[1]: Entering directory '/usr/src/kernels/5.12.15-300.fc34.x86_64'   CC [M]  /home/wenxue/rtl8821cu581/8821cu/core/rtw_cmd.o   CC [M]  /home/wenxue/rtl8821cu581/8821cu/core/rtw_security.o  ......    CC [M]  /home/wenxue/rtl8821cu581/8821cu/hal/btc/halbtc8821c1ant.o   CC [M]  /home/wenxue/rtl8821cu581/8821cu/hal/btc/halbtc8821c2ant.o   CC [M]  /home/wenxue/rtl8821cu581/8821cu/platform/platform_ops.o   CC [M]  /home/wenxue/rtl8821cu581/8821cu/core/rtw_mp.o   LD [M]  /home/wenxue/rtl8821cu581/8821cu/8821cu.o   MODPOST /home/wenxue/rtl8821cu581/8821cu/Module.symvers   CC [M]  /home/wenxue/rtl8821cu581/8821cu/8821cu.mod.o   LD [M]  /home/wenxue/rtl8821cu581/8821cu/8821cu.ko   BTF [M] /home/wenxue/rtl8821cu581/8821cu/8821cu.ko Skipping BTF generation for /home/wenxue/rtl8821cu581/8821cu/8821cu.ko due to unavailability of vmlinux make[1]: Leaving directory '/usr/src/kernels/5.12.15-300.fc34.x86_64' [wenxue@hpi7 8821cu]$   [wenxue@hpi7 8821cu]$  [wenxue@hpi7 8821cu]$ sudo make install install -p -m 644 8821cu.ko  /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/ /sbin/depmod -a 5.12.15-300.fc34.x86_64   [wenxue@hpi7 8821cu]$  [wenxue@hpi7 8821cu]$ modprobe 8821cu modprobe: ERROR: could not insert '8821cu': Operation not permitted  又 ***** 的忘记签名    [wenxue@hpi7 8821cu]$ su - Password:  [root@hpi7 ~]#  [root@hpi7 ~]# cd signed-modules/ [root@hpi7 signed-modules]# ls MOK.der  MOK.priv  sign-rtl88-aircrk  sign-rtw88-usb    [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# cp sign-rtw88-usb sign-8821cu [root@hpi7 signed-modules]# vi ./sign-8821cu     [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# cat ./sign-8821cu  #!/bin/bash  for modfile in $(dirname $(modinfo -n 8821cu))/*.ko; do   echo "Signing $modfile"   /usr/src/kernels/$(uname -r)/scripts/sign-file sha256                                  /root/signed-modules/MOK.priv                                  /root/signed-modules/MOK.der "$modfile" done [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# ./sign-8821cu  Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/8821cu.ko Signing /lib/modules/5.12.15-300.fc34.x86_64/kernel/drivers/net/wireless/88XXau.ko  [root@hpi7 signed-modules]#  [root@hpi7 signed-modules]# modprobe -a 8821cu   [root@hpi7 signed-modules]# iwconfig lo        no wireless extensions.  enp2s0    no wireless extensions.  wlp4s0    IEEE 802.11  ESSID:"Linksys0****"             Mode:Managed  Frequency:5.805 GHz  Access Point: 48:F8:******              Bit Rate=433.3 Mb/s   Tx-Power=22 dBm              Retry short limit:7   RTS thr:off   Fragment thr:off           Encryption key:off           Power Management:on           Link Quality=58/70  Signal level=-52 dBm             Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0           Tx excessive retries:0  Invalid misc:150   Missed beacon:0  virbr0    no wireless extensions.  wlp0s20f0u3i2  unassociated  Nickname:"WIFI@RTL8821CU"           Mode:Managed  Frequency=2.412 GHz  Access Point: Not-Associated              Sensitivity:0/0             Retry:off   RTS thr:off   Fragment thr:off           Encryption key:off           Power Management:off           Link Quality:0  Signal level:0  Noise level:0           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0           Tx excessive retries:0  Invalid misc:0   Missed beacon:0  [root@hpi7 signed-modules]#     

       [root@hpi7 signed-modules]# ls /usr/src/kernels/$(uname -r)/scripts/sign-file /usr/src/kernels/5.12.15-300.fc34.x86_64/scripts/sign-file     

       #!/bin/bash  for modfile in $(dirname $(modinfo -n 8821cu))/*.ko; do   echo "Signing $modfile"   /usr/src/kernels/$(uname -r)/scripts/sign-file sha256                                  /root/signed-modules/MOK.priv                                  /root/signed-modules/MOK.der "$modfile" done     

       参考阅读  Signing VirtualBox Kernel Modules https://gist.github.com/reillysiemens/ac6bea1e6c7684d62f544bd79b2182a4  22.7. Signing Kernel Modules for Secure Boot https://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_Guide/sect-signing-kernel-modules-for-secure-boot.html  Dynamic Kernel Module Support https://wiki.archlinux.org/title/Dynamic_Kernel_Module_Support https://lzone.de/cheat-sheet/DKMS  https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/kernel-module-driver-configuration/Working_with_Kernel_Modules/  https://docs.01.org/clearlinux/latest/guides/kernel/kernel-modules-dkms.html https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/kernel-module-driver-configuration/Working_with_Kernel_Modules/     

       [root@hpi7 ~]# dkms status rtl88x2bu, 5.6.1: added  [root@hpi7 ~]#  [root@hpi7 ~]# dkms status rtl88x2bu, 5.6.1: added  [root@hpi7 ~]#  [root@hpi7 ~]# dkms remove rtl88x2bu/5.2.1 --all Error! The module/version combo: rtl88x2bu-5.2.1 is not located in the DKMS tree.  [root@hpi7 ~]#  [root@hpi7 ~]# dkms remove rtl88x2bu/5.6.1  --all  ------------------------------ Deleting module version: 5.6.1 completely from the DKMS tree. ------------------------------ Done.